QUIZ #3 019 Section 03 Optimize this query by answering the following questions FROM Course Enrollment WHERE final.grade 90 ext questions, assume that the table Course.Enrollment has the following properties: Cardinality is 60, 2. Degree is4 3. Attributes: I enrolment.id (PK and AUTO INCREMENT), course.id, student.id, – nal.grade ] A. Indexing operations in B+ at the high level are: Creating a copy of the original table order. Merge sort i Sorting the copy of the original table by
OR
OR